package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    CategoryService categoryService;


    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("category:{}",category);
        categoryService.save(category);
        return  R.success("添加成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInFo = new Page(page,pageSize);

        //条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        lambdaQueryWrapper.orderByAsc(Category::getSort);

        //分页查询
        categoryService.page(pageInFo,lambdaQueryWrapper);
        return R.success(pageInFo);

    }

    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        log.info("删除分类，id为：{}",id);
categoryService.remove(id);
        return R.success("删除成功");
    }


    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息：{}",category);

        categoryService.updateById(category);
        return R.success("修改成功");
    }

/**
 * 根据条件查询分类数据
 * @param category
 * @return
 */
@GetMapping("/list")
    public R<List<Category>> list(Category category){
    LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
    //添加条件
    if (category.getType() != null){
    lambdaQueryWrapper.eq(Category::getType,category.getType());
    }
    //添加排序条件
    lambdaQueryWrapper.orderByAsc(Category::getSort).orderByAsc(Category::getUpdateTime);
    List<Category> list = categoryService.list(lambdaQueryWrapper);
    //返回数据
    return R.success(list);
}








}

